package com.bdqn.config.shiro;

import com.bdqn.pojo.User;
import com.bdqn.service.UserService;
import org.apache.shiro.authc.*;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;

import javax.annotation.Resource;

public class MyShiroRealm extends AuthorizingRealm {
    @Resource
    private UserService userService;

    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
        System.out.println("调用 MyShiroRealm.doGetAuthenticationInfo 获取身份信息！ ");
        //获得身份信息
        UsernamePasswordToken token = (UsernamePasswordToken) authenticationToken;
        String usrName = token.getUsername();
        User user1=new User();
        user1.setUsrName(usrName);
        User user = userService.getUser(user1);
        if (user == null) {
            throw new UnknownAccountException(); //账号错误
        }
        if (user.getUsrFlag() == null || user.getUsrFlag().intValue() == 0) {
            throw new LockedAccountException(); //账号锁定
        }
        SimpleAuthenticationInfo info = new SimpleAuthenticationInfo(
                user,//身份(根据用户名查询数据库获得的用户)
                user.getUsrPassword(),//凭证(查询数据库获得的密码)getName()//Realm 对象的名称
                getName()//Realm 对象的名称
        );
        //返回身份信息
        return info;
    }

    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
        System.out.println("调用 MyShiroRealm.doGetAuthorizationInfo 获取权限信息！ ");
        //获得权限信息
        User user = (User) principalCollection.getPrimaryPrincipal();
        SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
        //暂不授予权限信息，下章再学习授权
        return info;
    }

}
